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Fault Code List
Error 01 = Most stages crossed (Reversal). Active only for the 15000 series.
It should probably be interchanged with each other, of which the 2 or 3 of the 3-phase does not
matter. If the unit has already worked with the phases connected, it can signify that there is a
problem with the voltage (voltage). This can be checked by the white box at the top of the
electrical compartment to see what LED there is lit.
Overvoltage = Voltage too high
Low voltage = Voltage too low
Phase loss Phase = Interrupted
Reversal = Phases order wrong (crossed)
Normal = Phase voltage and connected properly
Error 02 = Condensation will not run away. Check the condensate drain for blockages, and make
sure the unit has enough slope toward condensate drain.
Error 03 = Not applicable
Error 04 = Ambient temperature too low.
The unit is in a cold environment to which the risk of freezing occurs. The space in which OptiClimate
will need is to be warmer than 4 ℃.
Error 05 = Ambient temperature sensor (AI01) not connected or defective
Error 06 = Heat sink temperature sensor (AI02) not connected or defective
Error 07 = Liquid / return temperature sensor (AI03) not connected or defective
Error 08 = Dual-room systems is error 08 is a problem with the 2nd temperature sensor (AI04)
Error 09 = Thermal protection compressor is activated.
Consumes too much power for the compressor. If after resetting the thermal protection pops it back,
contact the service technician. The thermal protection is left off the circuit in the electrical
compartment.
Error 10 = Anti-freeze protection, the temperature of the cooling block is too low.
If the heatsink is less than 0, it can freeze. The unit will stop cooling and defrost. Probably too much
water flows through the unit and has therefore too much cooling capacity. The minimum pressure is
1.3 MPa, it may be that the pressure required to ensure the cooling capacity is slightly increased and
needs to be slightly decreased. See section balancing to remedy this. Also, the carbon filter may be
clogged or discharge is too tight (too little holes or thin tube) through which the unit are cooled
cannot and need to be loosened.
Error 11 = Poor cooling.
The cooling system is not working properly. Probably there is a leak in the cooling system and it
should be repaired. The capacitor of the compressor may also be defective.
Error 12 = High pressure protection.
When this error occurs, the hot air to +40 ° C or outdoor fan unit is not running. It may also be one of
the links of the cooling coil is not connected properly.
Error 13 = Low pressure protection.
Check the pressure gauge when the unit is turned off. The pressure is lower than 4bar / 0.4 Mpa? If
so, is there a leak in the cooling system this must be repaired.
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